The DOI matches its Crossref record; 9 of the 9 references it cites were found in a registry or an index.
Hybrid Graphene and Graphitic Carbon Nitride Nanocomposite: Gap Opening, Electron–Hole Puddle, Interfacial Charge Transfer, and Enhanced Visible Light Response
Abstract
Opening up a band gap and finding a suitable substrate material are two big challenges for building graphene-based nanodevices. Using state-of-the-art hybrid density functional theory incorporating long-range dispersion corrections, we investigate the interface between optically active graphitic carbon nitride (g-C(3)N(4)) and electronically active graphene. We find an inhomogeneous planar substrate (g-C(3)N(4)) promotes electron-rich and hole-rich regions, i.e., forming a well-defined electron-hole puddle, on the supported graphene layer. The composite displays significant charge transfer from graphene to the g-C(3)N(4) substrate, which alters the electronic properties of both components. In particular, the strong electronic coupling at the graphene/g-C(3)N(4) interface opens a 70 meV gap in g-C(3)N(4)-supported graphene, a feature that can potentially allow overcoming the graphene's band gap hurdle in constructing field effect transistors. Additionally, the 2-D planar structure of g-C(3)N(4) is free of dangling bonds, providing an ideal substrate for graphene to sit on. Furthermore, when compared to a pure g-C(3)N(4) monolayer, the hybrid graphene/g-C(3)N(4) complex displays an enhanced optical absorption in the visible region, a promising feature for novel photovoltaic and photocatalytic applications.
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Cited by
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Metadata
- Authors
- Du, A., Sanvito, S., Li, Z., Wang, D., Jiao, Y., Liao, T., Sun, Q., Ng, Y. H., Zhu, Z., Amal, R., & Smith, S. C.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2012-02-27
- Volume
- 134
- Issue
- 9
- Pages
- 4393-4397
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W1967504293
- Cited by
- 631
- References
- 9
- FWCI
- 22.88
- Type
- journal article
- Language
- en
- Open access
- closed
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- Du, A., Sanvito, S., Li, Z., Wang, D., Jiao, Y., Liao, T., Sun, Q., Ng, Y. H., Zhu, Z., Amal, R., & Smith, S. C. (2012). Hybrid Graphene and Graphitic Carbon Nitride Nanocomposite: Gap Opening, Electron–Hole Puddle, Interfacial Charge Transfer, and Enhanced Visible Light Response. Journal of the American Chemical Society. https://doi.org/10.1021/ja211637p
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